[varnishcache/varnish-cache] 0a1840: Try to be a bit systematic about the asserts

[Poul-Henning Kamp]

  Branch: refs/heads/master
  Home:   https://github.com/varnishcache/varnish-cache
  Commit: 0a18407e851cdfb72133d895abc81de05d3232be
      https://github.com/varnishcache/varnish-cache/commit/0a18407e851cdfb72133d895abc81de05d3232be
  Author: Poul-Henning Kamp <phk at FreeBSD.org>
  Date:   2015-11-26 (Thu, 26 Nov 2015)

  Changed paths:
    M bin/varnishd/cache/cache_obj.c

  Log Message:
  -----------
  Try to be a bit systematic about the asserts